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Full Discussion: Replace tr/sed with awk
Top Forums Shell Programming and Scripting Replace tr/sed with awk Post 302142110 by philplasma on Wednesday 24th of October 2007 11:25:06 AM
Old 10-24-2007
Question Replace tr/sed with awk
There is a service that runs that we call multi-streaming that calls a shell script multiple times simultaneously. In this shell script is the following line:
Code:
tr '\r' '\n' < $POLLFILE.OUT | sed '/0000000000000016000A/d' > $POLLFILE

When I run this manually it produces the desired results, but when I run it via the service, the script errs at this line with a meaningless error message. I've put in a request to get my development group to improve error messaging, but since that may take too long, I was wondering if there was a way to use awk to do exactly what tr and sed do above.

Any ideas?
 

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LEARN ABOUT CENTOS

service

service(8)						      System Manager's Manual							service(8)

NAME

       service - run a System V init script

SYNOPSIS

       service SCRIPT COMMAND [OPTIONS]

       service --status-all

       service --help | -h | --version

DESCRIPTION

       service runs a System V init script in as predictable environment as possible, removing most environment variables and with current working
       directory set to /.

       The SCRIPT parameter specifies a System V init script, located in /etc/init.d/SCRIPT.  The  supported  values  of  COMMAND  depend  on  the
       invoked	script,  service  passes  COMMAND and OPTIONS it to the init script unmodified.  All scripts should support at least the start and
       stop commands.  As a special case, if COMMAND is --full-restart, the script is run twice, first with the stop command, then with the  start
       command.

       service --status-all runs all init scripts, in alphabetical order, with the status command.

       If the init script file does not exist, the script tries to use legacy actions.	If there is no suitable legacy action found and COMMAND is
       one of actions specified in LSB Core Specification, input is redirected to the systemctl.  Otherwise the command fails with return code 2.

FILES

       /etc/init.d
	      The directory containing System V init scripts.

ENVIRONMENT

       LANG, TERM
	      The only environment variables passed to the init scripts.

SEE ALSO

       chkconfig(8), ntsysv(8), systemd(1), systemctl(8), systemd.service(5)

								     Jan 2006								service(8)
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